Finding the Fourth Proportional to 346,915,266.12, 478,743,757.56 and 190,283,661
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Solution
The fourth proportional to 346,915,266.12, 478,743,757.56 and 190,283,661 is: 262,591,830.82
Step by Step Solution
- Step 1: Write the proportion equation
346,915,266.12 : 478,743,757.56 = 190,283,661 : x - Step 2: Convert to fraction form
346,915,266.12/478,743,757.56 = 190,283,661/x - Step 3: Cross multiply
346,915,266.12x = 478,743,757.56 × 190,283,661 - Step 4: Simplify right side
346,915,266.12x = 91,097,114,869,413,232 - Step 5: Solve for x
x = 91,097,114,869,413,232/346,915,266.12 - Step 6: Final answer
x = 262,591,830.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.